Duplicate Callbacks output in Dash multi page

Dash Python
1

Hi all,
I have this dropdown

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that will share between my 2 pages.
In every page, I would like to update value of this dropdown ( value by click of user or value get from url)
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but it is an error
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image856×370 46.9 KB

please help me .

2

Hi @phuonghao145,

Take a look at this:

You could use pattern matching callbacks for that.